# Double-Cross System

> British World War II counter-espionage operation

**Wikidata**: [Q869296](https://www.wikidata.org/wiki/Q869296)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Double-Cross_System)  
**Source**: https://4ort.xyz/entity/double-cross-system


## References

1. Freebase Data Dumps. 2013
2. KBpedia